{"id":2715,"date":"2019-01-10T13:24:37","date_gmt":"2019-01-10T12:24:37","guid":{"rendered":"https:\/\/www.websupport.sk\/podpora\/?post_type=ht_kb&p=2715"},"modified":"2024-11-29T17:45:50","modified_gmt":"2024-11-29T16:45:50","slug":"cname-zaznamy","status":"publish","type":"ht_kb","link":"https:\/\/www.websupport.sk\/podpora\/kb\/cname-zaznamy\/","title":{"rendered":"CNAME z\u00e1znamy"},"content":{"rendered":"\n\n\n

CNAME z\u00e1znam<\/strong> (Canonical Name record)<\/em> sl\u00fa\u017ei k<\/strong> nasmerovaniu<\/strong> subdom\u00e9ny<\/strong> na cie\u013eov\u00fa (sub)dom\u00e9nu. V praxi je potom subdom\u00e9na smerovan\u00e1 na IP, ktor\u00e1 je uveden\u00e1 v DNS z\u00e1zname cie\u013eovej (sub)dom\u00e9ny. V\u00fdhodou tak je, \u017ee funk\u010dnos\u0165 CNAME z\u00e1znamu nie je ovplyvnen\u00e1 zmenou IP adresy.<\/p>\n\n\n\n

\n\n\n\n

Ako vyzer\u00e1 CNAME z\u00e1znam<\/h2>\n\n\n\n
shop  600  IN  CNAME   www.myshoptet.com.<\/pre>\n\n\n\n
Za\u010diato\u010dn\u00fd z\u00e1znam shop<\/em> zna\u010d\u00ed, \u017ee CNAME z\u00e1znam plat\u00ed subdom\u00e9nu shop<\/strong>. 600 je parameter TTL<\/strong> a ur\u010duje na ako dlho si m\u00f4\u017eu servery poskytovate\u013eov internetu zapam\u00e4ta\u0165 dan\u00e9 nastavenie DNS. \u010cas je uveden\u00fd v sekund\u00e1ch. IN CNAME<\/strong> definuje, \u017ee ide o CNAME z\u00e1znam. Posledn\u00fd z\u00e1znam je cie\u013eov\u00fd CNAME z\u00e1znam, kam smeruje subdom\u00e9na.<\/p>\n\n\n    \t\t
\r\n    \t\t\tUpozornenie: <\/span>    \t\t\t    \t\t\t\t
\r\n    \t\t\t\t\tAk prid\u00e1vate CNAME z\u00e1znam pre subdom\u00e9nu www, je najprv potrebn\u00e9 vymaza\u0165 existuj\u00face A a AAAA z\u00e1znamy pre dan\u00fa subdom\u00e9nu (www.mojadomena.sk). Bez odstr\u00e1nenia t\u00fdchto z\u00e1znamov nebude mo\u017en\u00e9 prida\u0165 nov\u00fd CNAME z\u00e1znam a dostanete chybov\u00fa hl\u00e1\u0161ku vo webadmine.     \t\t\t\t<\/p>\r\n    \t\t\t    \t\t\t\r\n    \t\t<\/div>\r\n    \t\t\n\n\n\n
<\/div>\n\n\n\n
Vytvorenie CNAME z\u00e1znamu<\/h2>\n\n\n\n
1. Prihl\u00e1ste sa na do Webadminu<\/a><\/strong>
2. Kliknite v zozname va\u0161ich slu\u017eieb <\/strong>na dom\u00e9nu
3. V \u013eavom menu vyberte polo\u017eku DNS<\/strong> a prekliknite sa na z\u00e1lo\u017eku CNAME<\/strong>
4. Pre vytvorenie nov\u00e9ho z\u00e1znamu sta\u010d\u00ed klikn\u00fa\u0165 na modr\u00e9 tla\u010didlo Vytvori\u0165 nov\u00fd z\u00e1znam<\/strong><\/p>\n\n\n\n
\"\"<\/figure>\n\n\n    \t\t
\r\n    \t\t\tCNAME je nadraden\u00fd nad A a MX z\u00e1znamami. Prehliada\u010d najsk\u00f4r pre\u010d\u00edta CNAME z\u00e1znam, a ke\u010f \u017eiadny CNAME z\u00e1znam neexistuje, dopytuje sa na konkr\u00e9tnu IP adresu v A z\u00e1znamoch. <\/span>    \t\t\t    \t\t\t\r\n    \t\t<\/div>\r\n    \t\t\n    \t\t
\r\n    \t\t\tPre dosiahnutie podobn\u00e9ho efektu s hlavnou dom\u00e9nou, vyu\u017eite ANAME z\u00e1znamy. CNAME z\u00e1znamy s\u00fa mo\u017en\u00e9 len pre subdom\u00e9ny.<\/span>    \t\t\t    \t\t\t\r\n    \t\t<\/div>\r\n    \t\t\n\n\n
<\/div>\n\n\n\n
Formul\u00e1r pre upravenie CNAME z\u00e1znamu<\/h2>\n\n\n\n
\"\"<\/figure>\n\n\n\n
    \n
  • Do prv\u00e9ho riadku (Pre adresu) <\/strong>zadajte subdom\u00e9nu, ktor\u00fa chcete pomocou CNAME z\u00e1znamu presmerova\u0165<\/li>\n\n\n\n
  • Do riadku Hodnota<\/strong> zad\u00e1vate cie\u013e presmerovania<\/li>\n\n\n\n
  • Hodnota TTL<\/strong>  ur\u010duje, ako dlho si m\u00f4\u017eu servery poskytovate\u013eov internetu zapam\u00e4ta\u0165 dan\u00e9 nastavenie. \u010cas je uveden\u00fd v sekund\u00e1ch<\/li>\n\n\n\n
  • Do Pozn\u00e1mky<\/strong> m\u00f4\u017eete vp\u00edsa\u0165 \u010dokolvek, pr\u00edpadne ponecha\u0165 pr\u00e1zdnu<\/li>\n\n\n\n
  • Po vyplnen\u00ed formul\u00e1ru Ulo\u017ete zmeny<\/strong><\/li>\n<\/ul>\n\n\n    \t\t
    \r\n    \t\t\tZmena CNAME z\u00e1znamov m\u00f4\u017ee trva\u0165 aj 2 hodiny.<\/span>    \t\t\t    \t\t\t\r\n    \t\t<\/div>\r\n    \t\t\n\n\n
    <\/div>\n\n\n\n
    Zmazanie CNAME z\u00e1znamu<\/h2>\n\n\n\n
    Klepnite v tabu\u013eke v\u013eavo na ozna\u010dova\u010d a ozna\u010dte po\u017eadovan\u00fd CNAME z\u00e1znam (resp. viacer\u00e9 z\u00e1znamy) a n\u00e1sledne klepnite na Zmaza\u0165.<\/strong> Ak ste nechcene zmazali potrebn\u00fd z\u00e1znam, m\u00f4\u017eete ho obnovi\u0165 v sekci\u00ed Hist\u00f3ria zmien.<\/strong> Sta\u010d\u00ed si v zozname vyh\u013eada\u0165 dan\u00fa zmenu a klikn\u00fa\u0165 na obnovi\u0165. V\u0161etky DNS nastavenia sa vr\u00e1tia do stavu v akom boli pred zmenou CNAME z\u00e1znamu.<\/p>\n\n\n\n
    \"\"<\/figure>\n\n\n\n
    <\/div>\n\n\n\n
    Pr\u00edklady<\/h2>\n\n\n\n
    Nastavenie CNAME z\u00e1znamu pre subdom\u00e9nu shop na slu\u017ebu Shoptet<\/strong><\/p>\n\n\n\n
    Dom\u00e9na shop.mojadomena.sk<\/em> m\u00e1 pomocou CNAME z\u00e1znamu priraden\u00fd z\u00e1znam www.myshoptet.com To znamen\u00e1, \u017ee po zadan\u00ed adresy shop.mojadomena.sk sa v prehliada\u010di zobraz\u00ed obsah vytovren\u00fd na slu\u017ebe Shoptet<\/strong>. Z\u00e1znam bude vyzera\u0165 takto:<\/p>\n\n\n\n
    shop  600  IN  CNAME   www.myshoptet.com.
    <\/pre>\n","protected":false},"excerpt":{"rendered":"
    CNAME z\u00e1znam (Canonical Name record) sl\u00fa\u017ei k nasmerovaniu subdom\u00e9ny na cie\u013eov\u00fa (sub)dom\u00e9nu. V praxi je potom subdom\u00e9na smerovan\u00e1 na IP, ktor\u00e1 je uveden\u00e1 v DNS z\u00e1zname cie\u013eovej (sub)dom\u00e9ny. V\u00fdhodou tak je, \u017ee funk\u010dnos\u0165 CNAME z\u00e1znamu nie je ovplyvnen\u00e1 zmenou IP adresy. Ako vyzer\u00e1 CNAME z\u00e1znam shop 600 IN CNAME www.myshoptet.com. Za\u010diato\u010dn\u00fd…<\/p>\n","protected":false},"author":30,"template":"","format":"standard","meta":{"footnotes":""},"ht-kb-category":[37],"ht-kb-tag":[],"class_list":["post-2715","ht_kb","type-ht_kb","status-publish","format-standard","hentry","ht_kb_category-dns-zaznamy"],"yoast_head":"\nCNAME z\u00e1znamy - Websupport centrum podpory<\/title>\n<meta name=\"description\" content=\"CNAME je skratka pre Canonical Name a sp\u00f4sobuje, \u017ee jeden n\u00e1zov dom\u00e9ny je aliasom pre in\u00fd. 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